URLFinder: allow longer TLDs
URLFinder: allow longer TLDs

- also add comments

joansmith/orbeon-forms,ajw625/orbeon-forms,tanbo800/orbeon-forms,orbeon/orbeon-forms,brunobuzzi/orbeon-forms,wesley1001/orbeon-forms,wesley1001/orbeon-forms,orbeon/orbeon-forms,wesley1001/orbeon-forms,ajw625/orbeon-forms,brunobuzzi/orbeon-forms,joansmith/orbeon-forms,ajw625/orbeon-forms,orbeon/orbeon-forms,joansmith/orbeon-forms,brunobuzzi/orbeon-forms,tanbo800/orbeon-forms,tanbo800/orbeon-forms,ajw625/orbeon-forms,wesley1001/orbeon-forms,joansmith/orbeon-forms,brunobuzzi/orbeon-forms,tanbo800/orbeon-forms,orbeon/orbeon-forms